21139272

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 256

約数和(自身を含む): 77414400

約数和(自身を除く): 56275128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 31, 33, 36, 41, 42, 44, 54, 56, 62, 63, 66, 72, 77, 82, 84, 88, 93, 99, 108, 123, 124, 126, 132, 154, 164, 168, 186, 189, 198, 216, 217, 231, 246, 248, 252, 264, 279, 287, 297, 308, 328, 341, 369, 372, 378, 396, 434, 451, 462, 492, 504, 558, 574, 594, 616, 651, 682, 693, 738, 744, 756, 792, 837, 861, 868, 902, 924, 984, 1023, 1107, 1116, 1148, 1188, 1271, 1302, 1353, 1364, 1386, 1476, 1512, 1674, 1722, 1736, 1804, 1848, 1953, 2046, 2079, 2214, 2232, 2296, 2376, 2387, 2542, 2583, 2604, 2706, 2728, 2772, 2952, 3069, 3157, 3348, 3444, 3608, 3813, 3906, 4059, 4092, 4158, 4428, 4774, 5084, 5166, 5208, 5412, 5544, 5859, 6138, 6314, 6696, 6888, 7161, 7626, 7749, 7812, 8118, 8184, 8316, 8856, 8897, 9207, 9471, 9548, 10168, 10332, 10824, 11439, 11718, 12177, 12276, 12628, 13981, 14322, 15252, 15498, 15624, 16236, 16632, 17794, 18414, 18942, 19096, 20664, 21483, 22878, 23436, 24354, 24552, 25256, 26691, 27962, 28413, 28644, 30504, 30996, 32472, 34317, 35588, 36828, 37884, 41943, 42966, 45756, 46872, 48708, 53382, 55924, 56826, 57288, 61992, 64449, 68634, 71176, 73656, 75768, 80073, 83886, 85239, 85932, 91512, 97416, 97867, 106764, 111848, 113652, 125829, 128898, 137268, 160146, 167772, 170478, 171864, 195734, 213528, 227304, 240219, 251658, 257796, 274536, 293601, 320292, 335544, 340956, 377487, 391468, 480438, 503316, 515592, 587202, 640584, 681912, 754974, 782936, 880803, 960876, 1006632, 1174404, 1509948, 1761606, 1921752, 2348808, 2642409, 3019896, 3523212, 5284818, 7046424, 10569636, 21139272]

約数ペア:

[(1, 21139272), (2, 10569636), (3, 7046424), (4, 5284818), (6, 3523212), (7, 3019896), (8, 2642409), (9, 2348808), (11, 1921752), (12, 1761606), (14, 1509948), (18, 1174404), (21, 1006632), (22, 960876), (24, 880803), (27, 782936), (28, 754974), (31, 681912), (33, 640584), (36, 587202), (41, 515592), (42, 503316), (44, 480438), (54, 391468), (56, 377487), (62, 340956), (63, 335544), (66, 320292), (72, 293601), (77, 274536), (82, 257796), (84, 251658), (88, 240219), (93, 227304), (99, 213528), (108, 195734), (123, 171864), (124, 170478), (126, 167772), (132, 160146), (154, 137268), (164, 128898), (168, 125829), (186, 113652), (189, 111848), (198, 106764), (216, 97867), (217, 97416), (231, 91512), (246, 85932), (248, 85239), (252, 83886), (264, 80073), (279, 75768), (287, 73656), (297, 71176), (308, 68634), (328, 64449), (341, 61992), (369, 57288), (372, 56826), (378, 55924), (396, 53382), (434, 48708), (451, 46872), (462, 45756), (492, 42966), (504, 41943), (558, 37884), (574, 36828), (594, 35588), (616, 34317), (651, 32472), (682, 30996), (693, 30504), (738, 28644), (744, 28413), (756, 27962), (792, 26691), (837, 25256), (861, 24552), (868, 24354), (902, 23436), (924, 22878), (984, 21483), (1023, 20664), (1107, 19096), (1116, 18942), (1148, 18414), (1188, 17794), (1271, 16632), (1302, 16236), (1353, 15624), (1364, 15498), (1386, 15252), (1476, 14322), (1512, 13981), (1674, 12628), (1722, 12276), (1736, 12177), (1804, 11718), (1848, 11439), (1953, 10824), (2046, 10332), (2079, 10168), (2214, 9548), (2232, 9471), (2296, 9207), (2376, 8897), (2387, 8856), (2542, 8316), (2583, 8184), (2604, 8118), (2706, 7812), (2728, 7749), (2772, 7626), (2952, 7161), (3069, 6888), (3157, 6696), (3348, 6314), (3444, 6138), (3608, 5859), (3813, 5544), (3906, 5412), (4059, 5208), (4092, 5166), (4158, 5084), (4428, 4774)]